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phototransduction

noun

  1. The sequence of reactions within a cell required to convert absorbed photons into a molecular signal.
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Wiktionary

noun

Etymology: Etymology tree Proto-Indo-European *bʰeh₂- Proto-Indo-European *bʰéh₂os Proto-Hellenic *pʰáwos Ancient Greek φᾰ́ος (phắos) Ancient Greek φῶς (phôs) Ancient Greek φωτο- (phōto-)der. English photo- English transduction English phototransduction From photo- + transduction.

  1. The process whereby the various bodies in the retina convert light into electrical signals